v8hotrodboy
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Hi ive brought a bottle of car-go seal up ceramic sealer stuff for the cooling system in my 4.6 hse. Its not loosing water or over heating, but thought it would be a good idea to add it anyway even though the heads have been done. The instructions are a little vage, can anyone shed light on the best way to add this stuff as i know if you do it wrong then it wont work. I know you have to flush system before adding it.